www.pcimag.com/articles/100291-pinhole-detector

Pinhole Detector
March 4, 2015
The TQC Low Voltage Pinhole detector enables users to inspect various coatings on conductive substrates for small defects such as holidays and pinholes using the “wet sponge technique.”
Features include: color display with battery indicator and menu-based interface; visual, audible, headphones and/or display vibration feedback; return cable connectivity detection; automated self-diagnostics; intuitive single-button controls; and a smart power-saving feature (screen dimming, standby, auto power-off).
Detectors are available in basic (LD8100) and advanced (LD8105) models.
Visit www.Gardco.com.